condition mean min max 4 h after light 714.2942835 662.270665 766.317902 8 h after light 600.777245 495.106822 706.447668 12 h after light 819.3148005 657.125044 981.504557 4 h after dark 582.2806985 562.021648 602.539749 8 h after dark 585.0528575000001 563.097805 607.00791 12 h after dark 754.635696 754.635696 754.635696